London to Siwan time converter

Siwan is 4 hours 30 minutes ahead of London. When it is 9:00 AM in London, it is 1:30 PM in Siwan.

London BST

Sunday, October 18, 2026

Siwan IST

Monday, October 19, 2026

London
United Kingdom
Sun, Oct 18
BSTUTC+1
Siwan
Bihar, India
Mon, Oct 19
ISTUTC+5:30+4h 30m
Finding your time zone…
Shared working hours (9:00–18:00)

London to Siwan conversion table

Every hour of today in London and the matching time in Siwan. Light rows are typical working hours (9:00–18:00).

LondonSiwan
12:00 AM4:30 AM
1:00 AM5:30 AM
2:00 AM6:30 AM
3:00 AM7:30 AM
4:00 AM8:30 AM
5:00 AM9:30 AM
6:00 AM10:30 AM
7:00 AM11:30 AM
8:00 AM12:30 PM
9:00 AM1:30 PM
10:00 AM2:30 PM
11:00 AM3:30 PM
12:00 PM4:30 PM
1:00 PM5:30 PM
2:00 PM6:30 PM
3:00 PM7:30 PM
4:00 PM8:30 PM
5:00 PM9:30 PM
6:00 PM10:30 PM
7:00 PM11:30 PM
8:00 PM12:30 AM+1 day
9:00 PM1:30 AM+1 day
10:00 PM2:30 AM+1 day
11:00 PM3:30 AM+1 day

Best time to call or meet

Both sides are at work from 9:00 AM – 1:30 PM in London (1:30 PM – 6:00 PM in Siwan).

Daylight saving time and the difference

The difference changes during the year because London and Siwan switch clocks on different dates:

  • Oct 18, 2026 – Oct 25, 2026: +4h 30m
  • Oct 25, 2026 – Mar 28, 2027: +5h 30m
  • Mar 28, 2027 – Oct 18, 2027: +4h 30m

Distance

London and Siwan are 7,389 km (4,591 miles) apart in a straight line.

More conversions

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New York to SiwanLos Angeles to SiwanChicago to SiwanToronto to SiwanSão Paulo to SiwanParis to SiwanBerlin to SiwanMoscow to SiwanDubai to SiwanNew Delhi to SiwanBangkok to SiwanSingapore to Siwan

Questions and answers

What is the time difference between London and Siwan?

Siwan is 4 hours 30 minutes ahead of London.

What time is it in Siwan when it is 9 AM in London?

When it is 9:00 AM in London, it is 1:30 PM in Siwan.

When is the best time to call Siwan from London?

Both sides are at work from 9:00 AM – 1:30 PM in London (1:30 PM – 6:00 PM in Siwan).

Does the time difference between London and Siwan change?

Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.